···
+
declare -a autoPatchelfLibs
+
autoPatchelfLibs+=("$1/lib")
+
addEnvHooks "$targetOffset" gatherLibraries
+
[ "$(file -b -N --mime-type "$1")" = application/x-executable ]
+
find "$1" -type f -exec "$SHELL" -c '
+
mimeType="$(file -b -N --mime-type "$1")"
+
if [ "$mimeType" = application/x-executable \
+
-o "$mimeType" = application/x-sharedlib ]; then
+
# We cache dependencies so that we don't need to search through all of them on
+
# every consecutive call to findDependency.
+
declare -a cachedDependencies
+
for existing in "${cachedDependencies[@]}"; do
+
if [ "$existing" = "$1" ]; then return; fi
+
cachedDependencies+=("$1")
+
declare -gi depCacheInitialised=0
+
declare -gi doneRecursiveSearch=0
+
declare -g foundDependency
+
ldd "$1" 2> /dev/null | sed -n -e 's/[^=]*=> *\(.\+\) \+([^)]*)$/\1/p'
+
populateCacheWithRecursiveDeps() {
+
for so in "${cachedDependencies[@]}"; do
+
for found in $(getDepsFromSo "$so"); do
+
local libdir="${found%/*}"
+
local base="${found##*/}"
+
local soname="${base%.so*}"
+
for foundso in "${found%/*}/$soname".so*; do
+
addToDepCache "$foundso"
+
objdump -f "$1" | sed -ne 's/^architecture: *\([^,]\+\).*/\1/p'
+
# NOTE: If you want to use this function outside of the autoPatchelf function,
+
# keep in mind that the dependency cache is only valid inside the subshell
+
# spawned by the autoPatchelf function, so invoking this directly will possibly
+
# rebuild the dependency cache. See the autoPatchelf function below for more
+
if [ $depCacheInitialised -eq 0 ]; then
+
for lib in "${autoPatchelfLibs[@]}"; do
+
for so in "$lib/"*.so*; do addToDepCache "$so"; done
+
for dep in "${cachedDependencies[@]}"; do
+
if [ "$filename" = "${dep##*/}" ]; then
+
if [ "$(getSoArch "$dep")" = "$arch" ]; then
+
# Populate the dependency cache with recursive dependencies *only* if we
+
# didn't find the right dependency so far and afterwards run findDependency
+
# again, but this time with $doneRecursiveSearch set to 1 so that it won't
+
# recurse again (and thus infinitely).
+
if [ $doneRecursiveSearch -eq 0 ]; then
+
populateCacheWithRecursiveDeps
+
findDependency "$filename" "$arch" || return 1
+
local dep rpath="" toPatch="$1"
+
local interpreter="$(< "$NIX_CC/nix-support/dynamic-linker")"
+
if isExecutable "$toPatch"; then
+
patchelf --set-interpreter "$interpreter" "$toPatch"
+
if [ -n "$runtimeDependencies" ]; then
+
for dep in $runtimeDependencies; do
+
rpath="$rpath${rpath:+:}$dep/lib"
+
echo "searching for dependencies of $toPatch" >&2
+
# We're going to find all dependencies based on ldd output, so we need to
+
# clear the RPATH first.
+
patchelf --remove-rpath "$toPatch"
+
ldd "$toPatch" 2> /dev/null | \
+
sed -n -e 's/^[\t ]*\([^ ]\+\) => not found.*/\1/p'
+
# This ensures that we get the output of all missing dependencies instead
+
# of failing at the first one, because it's more useful when working on a
+
# new package where you don't yet know its dependencies.
+
for dep in $missing; do
+
echo -n " $dep -> " >&2
+
if findDependency "$dep" "$(getSoArch "$toPatch")"; then
+
rpath="$rpath${rpath:+:}${foundDependency%/*}"
+
echo "found: $foundDependency" >&2
+
# This makes sure the builder fails if we didn't find a dependency, because
+
# the stdenv setup script is run with set -e. The actual error is emitted
+
# earlier in the previous loop.
+
if [ -n "$rpath" ]; then
+
echo "setting RPATH to: $rpath" >&2
+
patchelf --set-rpath "$rpath" "$toPatch"
+
echo "automatically fixing dependencies for ELF files" >&2
+
# Add all shared objects of the current output path to the start of
+
# cachedDependencies so that it's choosen first in findDependency.
+
$(find "$prefix" \! -type d \( -name '*.so' -o -name '*.so.*' \))
+
# Here we actually have a subshell, which also means that
+
# $cachedDependencies is final at this point, so whenever we want to run
+
# findDependency outside of this, the dependency cache needs to be rebuilt
+
# from scratch, so keep this in mind if you want to run findDependency
+
# outside of this function.
+
findElfs "$prefix" | while read -r elffile; do
+
autoPatchelfFile "$elffile"
+
fixupOutputHooks+=(autoPatchelf)
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